{% load custom_filter %}

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    {{ "he"|add:"dd" }}
    {{ "hello word"|cut:" "}}
    {{ date|date:"Y-m-d H:i:s" }}
    {{ default|default:"da"}}
    {{ default1|default_if_none:"None的默认值"}}
    {{ list|first }}
    {{ float1|floatformat:3 }}
    {{ list1|join:"/"}}
    {{ list1|length}}
    {{ lower|lower}}
    {{ lower|random}}
    {{ list2|slice:"0:3:2"}}
    {{ string1|striptags}}
    {{ string2|truncatechars:2}}
    {% autoescape off %}
        {{ string3|truncatechars_html:2}}
    {% endautoescape %}
</body>
</html>